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Junction Boxes

Tough, reliable, and built for the job—SCHNAP’s range of Junction Boxes covers everything from compact indoor connectors to heavy-duty, weatherproof enclosures. Whether you're running deep conduit setups, need angled fittings for tight installs, or working outdoors in harsh Aussie conditions, we've got a box to suit. With IP54 to IP65-rated options, knockout models, and a mix of ABS, PVC and flame-retardant plastics, our junctions are ready to handle whatever you throw at them. Ideal for tradies, sparkies, and contractors who need dependable gear that’s easy to install and built to last.

Shop online and save with live stock levels, trade discounts, and fast national delivery.

$276.60 $228.50
The Junction Box Round Economical IP68 is designed for reliable electrical wiring protection in various environments. Featuring three 25mm bottom entries and a tough engineering plastic construction, this waterproof junction box is perfect for outdoor and marine applications. With an encapsulated internal earth point and external mounting lugs, it ensures safety and durability in harsh conditions.
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$167.80 $138.60
The Junction Box Round Size 1 is designed for superior electrical wiring protection, featuring IP68 weatherproofing and heavy-duty reinforced polymer construction. Ideal for both indoor and outdoor applications, this junction box ensures safety with integral earthing and a secure single thread lid engagement. Perfect for residential, commercial, and industrial settings, it provides reliable performance in harsh environments.
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$411.20 $339.70
The Junction Box 3x20mm Bottom Entry is designed for secure electrical connections, featuring IP68 waterproof protection and 6x 4mm² active terminals. Ideal for both indoor and outdoor applications, this robust box ensures safety with integral earthing and a durable reinforced polymer construction, making it perfect for residential, commercial, and industrial use.
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$109.60 $90.60
The Junction Box Round Size 1 is designed for superior electrical wiring protection, featuring IP68 weatherproofing and four M20 cable entries with blanking plugs. Built from impact-resistant polymer, it's perfect for both indoor and outdoor applications, ensuring a watertight and dustproof seal in harsh environments. Ideal for residential, commercial, and industrial settings, this junction box guarantees reliable performance and compliance with IEC 60529 standards.
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$184.50 $152.50
The Junction Box Round Size 2 is designed for reliable electrical wiring protection, featuring an IP68 weatherproof rating and 4x25mm side entry for easy cable connections. Constructed from impact-resistant polymer, it ensures durability in harsh environments, making it ideal for both residential and commercial applications.
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$10.80 $8.70
1 EA ($8.70 per EA)
The Round Plexo Box with 4 direct entry membrane glands is designed for robust electrical junction applications, offering IP55 dust and water protection along with IK07 impact resistance. Ideal for both residential and commercial wiring installations, this halogen-free plastic box ensures safe and reliable cable connections in various environments.
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$10.80 $8.70
1 EA ($8.70 per EA)
The Round Plexo Box with 4 direct entry membrane glands is designed for robust electrical junction applications, offering IP55 dust and water protection along with IK07 impact resistance. Ideal for both residential and commercial wiring installations, this box is made from halogen-free plastic, ensuring safety and compliance with RoHS directives. Its flexible membrane glands accommodate cables from 4 to 20 mm, making it versatile for various environments.
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$13.40 $10.80
1 EA ($10.80 per EA)
The Square Plexo Box with 7 direct entry membrane glands is designed for robust electrical junction applications, offering IP55 and IK07 ratings for dust and water protection. Made from halogen-free plastic, it accommodates cable diameters from 4 to 20 mm, making it ideal for both indoor and outdoor installations. Perfect for residential, commercial, and industrial wiring, this box ensures safety and compliance with electrical standards.
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$17.20 $13.80
1 EA ($13.80 per EA)
The Square Plexo Box with 7 direct entry membrane glands is designed for robust electrical junction applications, offering IP55 and IK07 ratings for dust and water protection. Ideal for residential, commercial, and industrial wiring installations, this box features halogen-free plastic construction and accommodates cables from 4 to 20 mm, ensuring safety and flexibility in various environments.
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$26.90 $21.60
1 EA ($21.60 per EA)
The Square Plexo Box with 7 direct entry membrane glands is designed for reliable electrical junction applications, offering IP55 dust and water protection along with IK07 impact resistance. Constructed from halogen-free plastic, it’s perfect for both indoor and outdoor installations, ensuring safety and durability in various environments.
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The Workhorse of Your Wiring: A Tradie's Guide to Junction Boxes

Every professional electrical and data installation relies on secure, protected connection points. Exposed wiring and unprotected terminals are a recipe for faults, damage, and a non-compliant job. The humble junction box is the workhorse enclosure that keeps these critical connections safe, sound, and sealed from the elements.

Tough, reliable, and built for the job, SCHNAP’s range of Junction Boxes covers everything from compact indoor connectors to heavy-duty, weatherproof enclosures for the harshest Aussie conditions.

A Box for Every Condition: Understanding IP Ratings

Choosing the right level of protection is critical, especially for outdoor or industrial work. Our range includes various IP (Ingress Protection) ratings to suit your needs:

  • IP54-rated boxes are splash-proof, making them suitable for protected outdoor areas like under eaves or in carports.
  • IP65-rated boxes are fully dust-tight and can withstand jets of water, making them the perfect choice for exposed outdoor locations, workshops, and wash-down areas.

The Right Fit for Your Install

No matter the challenge, we've got a box to suit the job.

  • Deep Conduit Boxes: Need extra room for a heap of wires or bulky components? Our deep junction boxes provide the additional space you need to keep your connections tidy.
  • Angled Fittings: For those tricky runs in tight corners or against other services, our angled entry boxes make installation a breeze.
  • Knockout Models: Save time on drilling with our convenient knockout models, allowing for fast and easy conduit entry.

Built Tough with the Right Materials

Our junction boxes are engineered to last. We stock a variety of options to match your application, including durable ABS, standard PVC, and high-safety flame-retardant plastics for added peace of mind in critical installations.

Why Sparkies & Contractors Trust SCHNAP

For a connection point that won't let you down, no matter the conditions, you need a quality box.

  • A complete range of sizes to suit any application.
  • IP-rated options for weatherproof protection.
  • Trusted by Aussie tradies for durability and easy installation.
  • Fast delivery and competitive trade pricing for professionals.

For reliable junction boxes that are built to last and easy to install, trust SCHNAP to have the gear you need to get the job done right.

Need junction boxes at the best prices and good quality? Shop now at Schnap